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Common specifications
Soft-PWM control, high carrier frequency PWM control (selectable among V/F control, Advanced magnetic flux vector control, Real
Control method
sensorless vector control), Optimum excitation control, and vector control
0.2 to 590 Hz (The upper-limit frequency is 400 Hz (200 Hz for the SND rating) under Advanced magnetic flux vector control, Real
Output frequency range
sensorless vector control, and vector control
0.015 Hz/60 Hz (0 to 10 V/12 bits for terminals 2 and 4)
Frequency
Analog input
0.03 Hz/60 Hz (0 to 5 V/11 bits or 0 to 20 mA/approx. 11 bits for terminals 2 and 4, 0 to ±10 V/12 bits for terminal 1)
setting
0.06 Hz/60 Hz (0 to ±5 V/11 bits for terminal 1)
resolution
Digital input
0.01 Hz
Analog input Within ±0.2% of the max. output frequency (25°C ± 10°C)
Frequency
accuracy
Digital input
Within 0.01% of the set output frequency
Voltage/frequency
Base frequency can be set from 0 to 590 Hz. Constant-torque/variable-torque pattern or adjustable 5 points V/F can be selected.
characteristics
SLD Rating:120% 0.3 Hz, LD Rating:150% 0.3 Hz, SND Rating:150% 0.3 Hz, ND Rating:200% 0.3 Hz
Starting torque
(Real sensorless vector control, vector control
Torque boost
Manual torque boost
Acceleration/deceleration
0 to 3600 s (acceleration and deceleration can be set individually), linear or S-pattern acceleration/deceleration mode, backlash
time setting
countermeasures acceleration/deceleration can be selected.
DC injection brake
Operation frequency (0 to 120 Hz), operation time (0 to 10 s), operation voltage (0 to 30%) variable
(induction motor)
Stall prevention
Activation range of stall prevention operation (SLD rating: 0 to 120%, LD rating: 0 to 150%, SND rating: 0 to 220%, ND rating: 0 to 220%,
operation level
HD rating: 0 to 280%). Whether to use the stall prevention or not can be selected. (V/F control, Advanced magnetic flux vector control)
Torque limit level
Torque limit value can be set (0 to 400% variable). (Real sensorless vector control, vector control
Terminals 2 and 4: 0 to 10 V, 0 to 5 V, 4 to 20 mA (0 to 20 mA) are available.
Analog input
Frequency
Terminal 1: -10 to +10 V, -5 to +5 V are available.
setting
Input using the setting dial of the operation panel or parameter unit
signal
Digital input
Four-digit BCD or 16-bit binary (when used with option FR-A8AX)
Start signal
Forward and reverse rotation or start signal automatic self-holding input (3-wire input) can be selected.
Low-speed operation command, Middle-speed operation command, High-speed operation command, Second function selection,
Input signals
Terminal 4 input selection, Jog operation selection, Selection of automatic restart after instantaneous power failure, Flying start, Output
(twelve terminals)
stop, Start self-holding selection, Forward rotation command, Reverse rotation command, Inverter reset
The input signal can be changed using Pr.178 to Pr.189 (input terminal function selection).
Pulse train input
100 kpps
Dancer feedback speed control, tension sensor feedback speed control, tension sensorless torque control, tension sensor feedback
torque control, winding diameter calculation, initial winding diameter calculation, actual line speed detection, reduction ratio setting,
maximum/minimum winding diameter setting, winding diameter / winding length storage, line speed acceleration/deceleration function,
dancer roll break detection, tension PI gain tuning, speed control proportional gain compensation, reel change function, taper function,
inertia compensation function, mechanical loss compensation function, maximum and minimum frequency settings, multi-speed
operation, acceleration/deceleration pattern, thermal protection, DC injection brake, starting frequency, JOG operation, output stop
Operational functions
(MRS), stall prevention, regeneration avoidance, DC feeding
power failure, retry function, carrier frequency selection, fast-response current limit, forward/reverse rotation prevention, operation
mode selection, slip compensation, droop control, speed smoothing control, auto tuning, applied motor selection, gain tuning, RS-485
communication, dancer control, cooling fan operation selection, stop selection (deceleration stop/coasting), power-failure deceleration
stop function, PLC function, life diagnosis, maintenance timer, current average monitor, multiple rating, speed control, torque control,
pre-excitation, torque limit, test run, 24 V power supply input for control circuit, safety stop function
Open collector output
Inverter running, Up to frequency, Instantaneous power failure/undervoltage
(five terminals)
The output signal can be changed using Pr.190 to Pr.196 (output terminal function selection).
Relay output
Fault codes of the inverter can be output (4 bits) from the open collector.
(two terminals)
Pulse train output
50 kpps
(FM type)
Pulse train output
Max. 2.4 kHz: one terminal (output frequency)
(FM type)
The monitored item can be changed using Pr.54 FM/CA terminal function selection.
Current output
Max. 20 mADC: one terminal (output current)
(CA type)
The monitored item can be changed using Pr.54 FM/CA terminal function selection.
Max. 10 VDC: one terminal (output voltage)
Voltage output
The monitored item can be changed using Pr.158 AM terminal function selection.
Operating
Output frequency, Output current, Output voltage, Frequency setting value
Operation
status
The monitored item can be changed using Pr.52 Operation panel main monitor selection.
panel
A fault record is displayed when a fault occurs. Past 8 fault records and the conditions immediately before the fault (output voltage/
(FR-DU08)
Fault record
current/frequency/cumulative energization time/year/month/date/time) are saved.
Overcurrent trip during acceleration, Overcurrent trip during constant speed, Overcurrent trip during deceleration or stop,
Regenerative overvoltage trip during acceleration, Regenerative overvoltage trip during constant speed, Regenerative overvoltage
trip during deceleration or stop, Inverter overload trip (electronic thermal relay function), Motor overload trip (electronic thermal relay
function), Heatsink overheat, Instantaneous power failure
transistor alarm detection
Protective
relay operation
Protective/
function
disconnection, Retry count excess
warning
terminals power supply short circuit, 24 VDC power fault, Abnormal output current detection
function
Communication fault (inverter), Analog input fault, USB communication fault, Safety circuit fault, Overspeed occurrence
deviation excess detection
Opposite rotation deceleration fault
Fan alarm, Stall prevention (overcurrent), Stall prevention (overvoltage), Regenerative brake pre-alarm
Warning
function pre-alarm, PU stop, Speed limit indication
function
Operation panel lock
Surrounding air
-10°C to +50°C (non-freezing) (LD, SND, ND, HD ratings)
temperature
-10°C to +40°C (non-freezing) (SLD rating)
95% RH or less (non-condensing) (With circuit board coating (conforming to IEC60721-3-3 3C2/3S2)
Surrounding air humidity
90% RH or less (non-condensing) (Without circuit board coating)
Storage temperature
-20°C to +65°C
Atmosphere
Indoors (without corrosive gas, flammable gas, oil mist, dust and dirt, etc.)
Altitude/vibration
Maximum 1000 m above sea level
Available only when a vector control compatible option is installed.
In the initial setting of the FR-A820-00340(5.5K) or higher and the FR-A840-00170(5.5K) or higher, it is limited to 150% by the torque limit level.
This protective function is not available in the initial status.
Enabled only for standard models.
Temperature applicable for a short time, e.g. in transit.
For the installation at an altitude above 1,000 m up to 2,500 m, derate the rated current 3% per 500 m.
2
2.9m/s
or less for the FR-A840-04320(160K) or higher.
.)
)
, Output side earth (ground) fault overcurrent, Output short circuit, Output phase loss, External thermal
, PTC thermistor operation
, Option fault, Communication option fault, Parameter storage device fault, PU
, Parameter storage device fault, CPU fault, Operation panel power supply short circuit/RS-485
, Signal loss detection
, Encoder phase fault
, Internal circuit fault, Encoder pulse number setting error, Overload trip
, Parameter copy, Safety stop, Maintenance signal output
, Password locked
, Parameter write error, Copy operation error, 24 V external power supply operation
2
, 5.9 m/s
or less at 10 to 55 Hz (directions of X, Y, Z axes)
Standard specifications
, frequency jump, rotation display, automatic restart after instantaneous
, Overload warning, Output frequency detection, Fault
, Undervoltage
, Input phase loss
, Inrush current limit circuit fault
, 4 mA input fault
, PID signal fault
, HD Rating:250% 0.3 Hz
)
, Stall prevention stop, Brake
,
, Speed
, Option fault,
, Electronic thermal relay
, USB host error,
2
25
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